docs: def make_random_client_id(self):
          """
          Returns a random client identifier
          """
          if PY2:
              return ('py_%s' %
                      base64.b64encode(str(random.randint(1, 0x40000000))))
          else:
              return ('py_%s' %
                      base64.b64encode(bytes(str(random.randint(1, 0x40000000)),
                                       'ascii')))